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Protection against xenobiotic insult, including cancer chemoprotection, can be achieved by a variety of natural and synthetic compounds belonging to over 20 different classes of chemicals. They all induce or activate drug-metabolizing enzymes. The discovery of a new class of activator is currently reported. Sodium fluoride activated the phase I ethoxyresorufin-O-deethylase (to 240%) and pentoxyresorufin-O-depentylase...
In order to investigate the roles of near N-terminus Tyr, Cys, and Ser residues in the activity of bacterial glutathione transferase (GSTB1-1) site-directed mutagenesis was used to replace the following residues: Tyr-4, Tyr-5, Ser-9, Cys-10, Ser-11, and Ser-13. The results presented here show that, unlike all other alpha, mu, pi, theta and sigma classes of glutathione transferases so far investigated,...
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